import React, { Component } from 'react'

export default class Count extends Component {
  render() {
    return (
      <div>
        <h3>当前的和为:</h3>
        <select name="" id="">
          <option value="1">1</option>
          <option value="2">2</option>
          <option value="3">3</option>
        </select>
        <button>+</button>
        <button>-</button>
        <button>当前和为奇数再加</button>
        <button>异步加</button>
      </div>
    )
  }
}
